Eradicated the Pointf class, replaced with Eigen Vector3d

xs/xsp/Print.xsp

@@ -72,7 +72,7 @@ _constant()
     void set_shifted_copies(Points value)
         %code%{ THIS->_shifted_copies = value; %};
 
-    bool add_copy(Pointf* point)
+    bool add_copy(Vec2d* point)
         %code%{ RETVAL = THIS->add_copy(*point); %};
     bool delete_last_copy();
     bool delete_all_copies();